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      1 /*
      2  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
      3  * Copyright (C) 2013 Apple Inc. All rights reserved.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  */
     20 
     21 #ifndef SVGPathStringSource_h
     22 #define SVGPathStringSource_h
     23 
     24 #include "core/svg/SVGPathSource.h"
     25 #include "wtf/PassOwnPtr.h"
     26 #include "wtf/text/WTFString.h"
     27 
     28 namespace blink {
     29 
     30 class SVGPathStringSource FINAL : public SVGPathSource {
     31 public:
     32     static PassOwnPtr<SVGPathStringSource> create(const String& string)
     33     {
     34         return adoptPtr(new SVGPathStringSource(string));
     35     }
     36 
     37 private:
     38     SVGPathStringSource(const String&);
     39 
     40     virtual bool hasMoreData() const OVERRIDE;
     41     virtual bool moveToNextToken() OVERRIDE;
     42     virtual bool parseSVGSegmentType(SVGPathSegType&) OVERRIDE;
     43     virtual SVGPathSegType nextCommand(SVGPathSegType previousCommand) OVERRIDE;
     44 
     45     virtual bool parseMoveToSegment(FloatPoint&) OVERRIDE;
     46     virtual bool parseLineToSegment(FloatPoint&) OVERRIDE;
     47     virtual bool parseLineToHorizontalSegment(float&) OVERRIDE;
     48     virtual bool parseLineToVerticalSegment(float&) OVERRIDE;
     49     virtual bool parseCurveToCubicSegment(FloatPoint&, FloatPoint&, FloatPoint&) OVERRIDE;
     50     virtual bool parseCurveToCubicSmoothSegment(FloatPoint&, FloatPoint&) OVERRIDE;
     51     virtual bool parseCurveToQuadraticSegment(FloatPoint&, FloatPoint&) OVERRIDE;
     52     virtual bool parseCurveToQuadraticSmoothSegment(FloatPoint&) OVERRIDE;
     53     virtual bool parseArcToSegment(float&, float&, float&, bool&, bool&, FloatPoint&) OVERRIDE;
     54 
     55     String m_string;
     56     bool m_is8BitSource;
     57 
     58     union {
     59         const LChar* m_character8;
     60         const UChar* m_character16;
     61     } m_current;
     62     union {
     63         const LChar* m_character8;
     64         const UChar* m_character16;
     65     } m_end;
     66 };
     67 
     68 } // namespace blink
     69 
     70 #endif // SVGPathStringSource_h
     71